README.md

@@ -57,24 +57,10 @@ make flash
 
 ## Flashing the Project
 
-**On Windows(usbtinyisp)**
-
-1. Install the usbtiny driver:
-    1. plug in usbtiny device 
-    2. Intall the drivers from: [adafruit](https://learn.adafruit.com/usbtinyisp/drivers) 
-2. open powershell
-3. navigate to the repo directory *cd Downloads\gf_002*
-4. enter the command below.
-
-```ps1
-./avrdude.exe -p t13 -c usbtiny -B 125kHz -U flash:w:.\pre_built\attiny13_4-8Mhz.hex -U lfuse:w:0x79:m -U hfuse:w:0xFF:m -U lock:w:0xFF:m
-```
-
-
-**On Windows(usbASP)**
+**On Windows**
 
 1. Install the usbasp driver:
-    1. plug in usbasp device 
+    1. plug in usbasp device.
     2. run the 'zadig-2.8.exe' program
     3. select the libusb 32 on the right by clicking the down arrow to select.
 2. open powershell
@@ -82,6 +68,11 @@ make flash
 4. enter the command below.
 
 ```ps1
-./avrdude.exe -p t13 -c usbasp -B 125kHz -U flash:w:.\pre_built\attiny13_4-8Mhz.hex -U lfuse:w:0x79:m -U hfuse:w:0xFF:m -U lock:w:0xFF:m
+./avrdude.exe -p t13 -c usbasp -B 125kHz -U flash:w:.\pre_built\atiny13_4-8Mhz.hex
 ```
 
+
+
+
+* If you have the powershell execution policy set to allow scripts:
+    * run *flash_atiny13.ps1*

flash_atiny13.ps1

@@ -0,0 +1,7 @@
+# PowerShell script to flash a precompiled HEX file via avrdude.exe with a USBasp programmer
+
+$Mcu = "t13"
+$HexFile ="\pre_built\attiny13_4-8Mhz.hex"
+$Programmer="usbasp"
+
+.\avrdude.exe -p $Mxu -B 10 -c $Programmer -U flash:w:$HexFile